The Hong Kong Student Science Project Competition 2019 (jointly organized by the Hong Kong Federation of Youth Groups, the Education Bureau, the Hong Kong Science Museum and supported by the Innovation and Technology Commission and Hong Kong Science and Technology Parks Corporation) is a significant science competition for secondary schools. Eight teams of CFSS students participated in the project competition on 23 March. Among more than 200 competitors, three of our teams entered the final round on 27 April, and finally got a champion   in Investigative Project (Junior) and two Honorable Mentions in Investigative Project in Junior and Senior session.